PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 9537817-5 1997 Suppressor doses of endothelin-1 (3 x 10(-10) M) or sarafotoxin S6c (S6c) (3 x 10(-10) M) potentiated significantly the norepinephrine-induced vasoconstriction, in the same preparation. Norepinephrine 120-134 endothelin 1 Rattus norvegicus 20-32 9537817-8 1997 These results suggest that platelet-derived TGF-beta1 stimulates the vascular production of endothelin-1 and thereby enhances vasoconstrictor responses to norepinephrine. Norepinephrine 155-169 endothelin 1 Rattus norvegicus 92-104